Adds staff textbox & model watcher
Makes the svg track selectable and attaches keydown listeners
Compiles meta measure on keypress
Add new measure on keypress
Renders new notes on keypress (errors on console)
Removes some errors on console
Adds simple measure input and rendering
Add rendering note message
Initializes with empty track
Checks for duration before rendering
Removes old comments
Saves correct $scope data to JSON file
Merge pull request #5 from cilop/refactor

Allows simple not rendering via input box
Correctly renders events in measures
Merge branch 'coffee-refactor'

Conflicts:
	app/coffee/documentView.coffee
	app/coffee/leftBar.coffee
Fix merge conflicts
Changed pitch values to be scale steps relative to middle C